Designed with visibility and durability in mind, Reflective-Tuff Antennas are compatible with Garmin DC30 and DC40 collars. Each antenna features a long-range design and a built-in reflective strip protected by a clear vinyl coating to enhance visibility during low-light conditions. These antennas are built for rugged use and provide added safety for dogs running at night, making them ideal for coon hunters and nighttime tracking. Product Features: -Compatible with Garmin DC30 and DC40 collars -Built-in reflective strip for enhanced visibility at night -Clear vinyl coating protects the reflective layer from dirt and wear -Durable construction designed for long-range use -Ideal for nighttime tracking and hunting applications Not compatible with: Garmin TT25, T20, TT15, TT15X, TT10, T5, T5X, Mini TT15, Mini T5, DC50, or TB10 collars.